15985152942

Names of 15985152942

• Cardinal: 15985152942 can be written as Fifteen billion, nine hundred eighty-five million, one hundred fifty-two thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 1.5985152942 × 10¹⁰

Factors of 15985152942

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 15904

Divisors of 15985152942

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 11 22 33 66 121 127 242 254 363 381 726 762 1331 1397 2662 2794 3993 4191 7986 8382 15367 15761 30734 31522 46101 47283 92202 94566 169037 173371 338074 346742 507111 520113 1014222 1040226 1907081 2001647 3814162 4003294 5721243 6004941 11442486 12009882 20977891 22018117 41955782 44036234 62933673 66054351 125867346 132108702 242199287 484398574 726597861 1453195722 2664192157 5328384314 7992576471 15985152942
• Sum of all divisors σ(n): 35444072448
• Sum of proper divisors (its aliquot sum) s(n): 19458919506
• 15985152942 is an abundant number, because the sum of its proper divisors (19458919506) is greater than itself. Its abundance is 3473766564

Bases of 15985152942

• Binary: 1110111000110010100001001110101110₂
• Hexadecimal: 0x3B8CA13AE
• Base-36: 7CD5AY6

Squares and roots of 15985152942

• 15985152942 squared (15985152942²) is 255525114579131255364
• 15985152942 cubed (15985152942³) is 4084608037069487078485997880888
• The square root of 15985152942 is 126432.4046358369
• The cube root of 15985152942 is 2519.0624368753

Scales and comparisons

• 15,985,152,942 seconds is equal to 508 years, 14 weeks, 3 days, 8 hours, 15 minutes, 42 seconds.
• To count from 1 to 15,985,152,942 would take you about one thousand and sixteen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 15985152942 cubic inches would be around 209.9 feet tall.

Recreational maths with 15985152942

• 15985152942 backwards is 24925158951
• The number of decimal digits it has is: 11
• The sum of 15985152942's digits is 51
• More coming soon!